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Grade 11Organic Chemistry

Plz help me with its explanation.
This question is from JD Lee Inorganic Chemistry.
Answer is B

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Profile image of Nikhil Rastogi
7 Years agoGrade 11
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1 Answer

Profile image of Aashna
7 Years ago
The middle carbon CF Bond are longer because they face repulsion from The Lone pairs of terminal fluroine atoms and to avoid repulsion Bond length increases.